Analysis

  • max time kernel
    269s
  • max time network
    314s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    21-10-2021 03:48

General

  • Target

    DUBAI HMC2022.exe

  • Size

    592KB

  • MD5

    88bd3ddede5da19e878746dbd2d184b9

  • SHA1

    c3976bfb7db0fc4e403e88f5ad5c39dd29bb7512

  • SHA256

    6a6450c020fa3f553aa941e737be918d75d69dd930a4c4d5757ddfc1efd066ba

  • SHA512

    f6af97a52f6f9c79d7919188897ec363ad517707a24deb3f489e4f72f7d1e31843844d9242530aeaf40da094405339ea37f66dcf4adc2d7d2106f54c0fdd8493

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.myremediez.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    123123456

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 5 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DUBAI HMC2022.exe
    "C:\Users\Admin\AppData\Local\Temp\DUBAI HMC2022.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1112
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fOcjTAy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp278D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:896
    • C:\Users\Admin\AppData\Local\Temp\DUBAI HMC2022.exe
      "C:\Users\Admin\AppData\Local\Temp\DUBAI HMC2022.exe"
      2⤵
        PID:1080
      • C:\Users\Admin\AppData\Local\Temp\DUBAI HMC2022.exe
        "C:\Users\Admin\AppData\Local\Temp\DUBAI HMC2022.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1196

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/896-59-0x0000000000000000-mapping.dmp
    • memory/1112-53-0x00000000000E0000-0x00000000000E1000-memory.dmp
      Filesize

      4KB

    • memory/1112-55-0x00000000751A1000-0x00000000751A3000-memory.dmp
      Filesize

      8KB

    • memory/1112-56-0x00000000003D0000-0x00000000003D7000-memory.dmp
      Filesize

      28KB

    • memory/1112-57-0x0000000004F50000-0x0000000004F51000-memory.dmp
      Filesize

      4KB

    • memory/1112-58-0x0000000004930000-0x0000000004988000-memory.dmp
      Filesize

      352KB

    • memory/1196-60-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1196-62-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1196-63-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1196-61-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1196-64-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1196-65-0x000000000043764E-mapping.dmp
    • memory/1196-66-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1196-68-0x0000000000620000-0x0000000000621000-memory.dmp
      Filesize

      4KB

    • memory/1196-69-0x0000000000621000-0x0000000000622000-memory.dmp
      Filesize

      4KB